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National Stock Number:
5310-01-319-2364
Federal Supply Class:
5310
National Item Identification Number:
013192364
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 03A158-8 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A158-8 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.2505 INCHES MINIMUM AND 0.2535 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE AND AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | OVERALL DIAMETER | 0.410 INCHES MINIMUM AND 0.414 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | THICKNESS | 0.0135 INCHES MINIMUM AND 0.018 INCHES MAXIMUM |
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